Harvey Tool 54912-C6 Corner Radius End Mill 3/16 in 4 Fl

Product Description

The HARVEY TOOL 54912-C6 is a solid carbide corner radius end mill engineered for demanding material removal in high-temperature alloys, hardened steels, stainless steel, and cast iron. It features a 3/16 inch (0.1875 inch) mill diameter, a 0.0150 inch corner radius, and a variable helix geometry that reduces harmonics and chatter during aggressive cuts. The AlTiN PVD coating provides thermal resistance and extends tool life at elevated cutting temperatures. With 4 flutes and a stub flute design on an extended reach body, it handles both roughing and finishing passes in a single setup. Licensed HVAC or metalworking machinists will recognize this as a purpose-built tool for precision aerospace and die-mold applications.

This end mill is designed for use in vertical machining centers and high-speed milling applications targeting steel, stainless steel, cast iron, and hard alloys. The extended reach and stub flute configuration make it suited for deep-pocket and long-reach operations where rigidity and chip clearance are critical. It is intended for use with high-precision toolholders and runs in a right-hand cutting direction with right-hand flute geometry. The single-end configuration is standard for this tool class, and the straight cylindrical shank fits conventional ER collet and shrink-fit systems.

Key Features

• Variable helix geometry reduces vibration and chatter in difficult-to-machine materials
• AlTiN PVD coating delivers heat resistance for dry or near-dry cutting in high-temp alloys
• 0.0150 inch corner radius with tight tolerance of plus or minus 0.0010 inch for consistent edge prep
• Extended reach body with stub flute length supports deep-pocket and long-reach milling
• Center-cutting design allows plunge entry without a pre-drilled pilot hole
• Solid carbide construction provides stiffness and wear resistance superior to HSS tooling

Compatibility

Designed for use with high-precision toolholders in applications involving steel, stainless steel, cast iron, and hard alloys. Suitable for machines accepting a 3/16 inch straight cylindrical shank with h6 shank diameter tolerance.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer guidelines for collet or toolholder torque and runout. Power down and lock out the spindle before loading or unloading the tool. Verify toolholder concentricity and minimize overhang beyond the specified reach length to maintain rigidity. Do not exceed the toolholder grip length on the straight shank.